👉 An outliner is a type of visual design tool used in graphic design to create an outline or blueprint for a project. It helps designers visualize and plan out different elements of a design, such as colors, typography, shapes, and other visual components. Outliners are typically created using a combination of digital tools and traditional paper-based techniques. They can be used to help designers create designs that are consistent in style, color, and overall look, or they can be used to make changes or adjustments